Claude Haiku
Optimized for fast, economical everyday requests.
Models & Pricing
Claude models on StartupAPI
A concise view of the model family currently available to customers.
Common Models
Recommended model: claude-sonnet-4-6
The public catalog is the source of truth for enabled model identifiers, output limits, and customer pricing. Models that are disabled or unavailable are not advertised here.
View current pricingAnthropic
Claude Sonnet
A balanced choice for coding, analysis, and longer workflows.
Claude Opus
Designed for the most demanding reasoning and complex project work.
Exact availability depends on the enabled customer catalog. StartupAPI does not expose disabled model families in public documentation.